{% if model_loaded %}

Model loaded

{{ model_filename }}

Replace model {% else %}

Bring your own puzzle

Drop an Essence or eprime model plus a parameter file.

Drop files or click to browse

.eprime or .essence .param or .json .json assignment (optional)

The third slot is for puzzles whose clue cells are declared as find variables — supply the JSON produced by a generator (e.g. mystify). Both bare assignment objects and full output JSONs (with a top-level puzzle key) work.

Import a saved session

{% endif %}